Parreira, J., Lúcio, P., João, C., Macedo, A., Sarmento, A. B., Geraldes, C., Gonçalves, C. and Esteves, G. (2014) “Monoclonal Gammopathies of Indetermined Significance: Diagnosis and Clinical Follow-up Guidelines”, Acta Médica Portuguesa. Lisbon, Portugal, 27(5), pp. 661–664. doi: 10.20344/amp.5411.